#include<stdio.h>
int main()
{
	double a, c, d;
	int b;
	scanf("%lf", &a);
	b = a + 0.5;
	printf("%d\n", b);
	c = a +0.05;
	printf("%.1lf\n", c);
	d = a +0,005;
	printf("%.2lf", d);


	return 0;

}